EP4140963A1 - Lithiumsilikat-glaskeramik mit leichter bearbeitbarkeit - Google Patents

Lithiumsilikat-glaskeramik mit leichter bearbeitbarkeit Download PDF

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Publication number
EP4140963A1
EP4140963A1 EP21192546.6A EP21192546A EP4140963A1 EP 4140963 A1 EP4140963 A1 EP 4140963A1 EP 21192546 A EP21192546 A EP 21192546A EP 4140963 A1 EP4140963 A1 EP 4140963A1
Authority
EP
European Patent Office
Prior art keywords
glass
ceramic
weight
ceramic according
starting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP21192546.6A
Other languages
German (de)
English (en)
French (fr)
Inventor
Christian Ritzberger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ivoclar Vivadent AG
Original Assignee
Ivoclar Vivadent AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ivoclar Vivadent AG filed Critical Ivoclar Vivadent AG
Priority to EP21192546.6A priority Critical patent/EP4140963A1/de
Priority to JP2022123135A priority patent/JP2023031264A/ja
Priority to US17/821,111 priority patent/US20230073207A1/en
Priority to CN202210998556.9A priority patent/CN115710091A/zh
Priority to KR1020220104892A priority patent/KR20230029545A/ko
Publication of EP4140963A1 publication Critical patent/EP4140963A1/de
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
    • C03C3/097—Glass compositions containing silica with 40% to 90% silica, by weight containing phosphorus, niobium or tantalum
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
    • C03C10/0018—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and monovalent metal oxide as main constituents
    • C03C10/0027—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and monovalent metal oxide as main constituents containing SiO2, Al2O3, Li2O as main constituents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/08—Artificial teeth; Making same
    • A61C13/083—Porcelain or ceramic teeth
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K6/00—Preparations for dentistry
    • A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
    • A61K6/802—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B32/00—Thermal after-treatment of glass products not provided for in groups C03B19/00, C03B25/00 - C03B31/00 or C03B37/00, e.g. crystallisation, eliminating gas inclusions or other impurities; Hot-pressing vitrified, non-porous, shaped glass products
    • C03B32/02—Thermal crystallisation, e.g. for crystallising glass bodies into glass-ceramic articles
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
    • C03C10/0009—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing silica as main constituent
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C4/00—Compositions for glass with special properties
    • C03C4/0007—Compositions for glass with special properties for biologically-compatible glass
    • C03C4/0021—Compositions for glass with special properties for biologically-compatible glass for dental use
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/0003—Making bridge-work, inlays, implants or the like
    • A61C13/0004—Computer-assisted sizing or machining of dental prostheses
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2204/00—Glasses, glazes or enamels with special properties

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Molecular Biology (AREA)
  • Dispersion Chemistry (AREA)
  • Veterinary Medicine (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Plastic & Reconstructive Surgery (AREA)
  • Dentistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Glass Compositions (AREA)
  • Dental Preparations (AREA)
EP21192546.6A 2021-08-23 2021-08-23 Lithiumsilikat-glaskeramik mit leichter bearbeitbarkeit Pending EP4140963A1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP21192546.6A EP4140963A1 (de) 2021-08-23 2021-08-23 Lithiumsilikat-glaskeramik mit leichter bearbeitbarkeit
JP2022123135A JP2023031264A (ja) 2021-08-23 2022-08-02 容易な機械加工性を有するケイ酸リチウムガラスセラミック
US17/821,111 US20230073207A1 (en) 2021-08-23 2022-08-19 Lithium silicate glass ceramic with easy machinability
CN202210998556.9A CN115710091A (zh) 2021-08-23 2022-08-19 具有易加工性的硅酸锂玻璃陶瓷
KR1020220104892A KR20230029545A (ko) 2021-08-23 2022-08-22 용이한 기계가공성을 갖는 리튬 실리케이트 유리 세라믹

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21192546.6A EP4140963A1 (de) 2021-08-23 2021-08-23 Lithiumsilikat-glaskeramik mit leichter bearbeitbarkeit

Publications (1)

Publication Number Publication Date
EP4140963A1 true EP4140963A1 (de) 2023-03-01

Family

ID=77447770

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21192546.6A Pending EP4140963A1 (de) 2021-08-23 2021-08-23 Lithiumsilikat-glaskeramik mit leichter bearbeitbarkeit

Country Status (5)

Country Link
US (1) US20230073207A1 (zh)
EP (1) EP4140963A1 (zh)
JP (1) JP2023031264A (zh)
KR (1) KR20230029545A (zh)
CN (1) CN115710091A (zh)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0005000A1 (en) 1978-04-17 1979-10-31 A.E. Staley Manufacturing Company Method for preparing a water-absorbent starch product
EP0231773A1 (de) 1986-01-17 1987-08-12 Etablissement Dentaire IVOCLAR Verfahren und Ofen zur Herstellung von Zahnersatzteilen
WO1995032678A2 (en) 1994-05-31 1995-12-07 Tec Ventures, Inc. Method for molding dental restorations and relataed apparatus
EP0827941A1 (de) 1996-09-05 1998-03-11 Ivoclar Ag Sinterbare Lithiumdisilikat-Glaskeramik
EP0916625A1 (de) 1997-11-10 1999-05-19 Ivoclar Ag Verfahren zur Herstellung von geformten transluzenten Lithiumdisilikat-Glaskeramik-Produkten
EP1505041A1 (en) 2003-08-07 2005-02-09 Ivoclar Vivadent AG Lithium silicate materials
EP1688398A1 (en) 2005-02-08 2006-08-09 Ivoclar Vivadent AG Lithium silicate glass ceramic
US20150104655A1 (en) * 2013-10-14 2015-04-16 Hass Co., Ltd. Lithium silicate amorphous or crystalline glass overlaying top surface of zirconia and preparation methods thereof

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0005000A1 (en) 1978-04-17 1979-10-31 A.E. Staley Manufacturing Company Method for preparing a water-absorbent starch product
EP0231773A1 (de) 1986-01-17 1987-08-12 Etablissement Dentaire IVOCLAR Verfahren und Ofen zur Herstellung von Zahnersatzteilen
WO1995032678A2 (en) 1994-05-31 1995-12-07 Tec Ventures, Inc. Method for molding dental restorations and relataed apparatus
EP0827941A1 (de) 1996-09-05 1998-03-11 Ivoclar Ag Sinterbare Lithiumdisilikat-Glaskeramik
EP0916625A1 (de) 1997-11-10 1999-05-19 Ivoclar Ag Verfahren zur Herstellung von geformten transluzenten Lithiumdisilikat-Glaskeramik-Produkten
EP1505041A1 (en) 2003-08-07 2005-02-09 Ivoclar Vivadent AG Lithium silicate materials
EP1688398A1 (en) 2005-02-08 2006-08-09 Ivoclar Vivadent AG Lithium silicate glass ceramic
US20150104655A1 (en) * 2013-10-14 2015-04-16 Hass Co., Ltd. Lithium silicate amorphous or crystalline glass overlaying top surface of zirconia and preparation methods thereof

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
BENGISU M ET AL: "Effect of long-term heating and thermal cycling on thermal expansion, phase distribution, and microhardness of lithium aluminosilicate glass-ceramics", JOURNAL OF NON-CRYSTALLINE SOLIDS, NORTH-HOLLAND PHYSICS PUBLISHING. AMSTERDAM, NL, vol. 331, no. 1-3, 1 December 2003 (2003-12-01), pages 137 - 144, XP004471757, ISSN: 0022-3093, DOI: 10.1016/J.JNONCRYSOL.2003.08.065 *
M. DITTMER: "Dissertation", 2011, UNIVERSITÄT JENA, article "Gläser und Glaskeramiken im System MgO-Al O -SiO mit Zr0 als Keimbildner"
MARCUS P BOROM ET AL: "Strength and Microstructure in Lithium Disilicate Glass-Ceramics", CERAMIC ABSTRACTS,, vol. 54, no. 9/10, 1 September 1975 (1975-09-01), pages 385 - 391, XP001261204 *

Also Published As

Publication number Publication date
KR20230029545A (ko) 2023-03-03
JP2023031264A (ja) 2023-03-08
CN115710091A (zh) 2023-02-24
US20230073207A1 (en) 2023-03-09

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